#include "../include/head.h"
int epoll_add(int epfd, int fd){
    struct epoll_event ev;
    ev.events = EPOLLIN;
    ev.data.fd = fd;
    epoll_ctl(epfd,EPOLL_CTL_ADD,fd,&ev);
    return 0;
}
int epoll_del(int epfd, int fd){
    epoll_ctl(epfd,EPOLL_CTL_DEL,fd,NULL);
    return 0;
}
